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| author | Denis Vlasenko <vda.linux@googlemail.com> | 2007-11-23 13:11:42 +0000 |
|---|---|---|
| committer | Denis Vlasenko <vda.linux@googlemail.com> | 2007-11-23 13:11:42 +0000 |
| commit | 835068637e81771a1b45b9faf04a31830f0e5d8a (patch) | |
| tree | da354be6bcbfe767926ea6375164a6f34ba66599 /shell | |
| parent | f962a0354e2426ef9781df97e4b02b32e438783c (diff) | |
| download | busybox-835068637e81771a1b45b9faf04a31830f0e5d8a.tar.gz | |
hush: implement test builtin
Diffstat (limited to 'shell')
| -rw-r--r-- | shell/hush.c | 59 |
1 files changed, 38 insertions, 21 deletions
diff --git a/shell/hush.c b/shell/hush.c index 5c641904c..04afbfd9a 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -489,27 +489,6 @@ static void syntax_lineno(int line) #endif /* Index of subroutines: */ -/* function prototypes for builtins */ -static int builtin_cd(char **argv); -static int builtin_eval(char **argv); -static int builtin_exec(char **argv); -static int builtin_exit(char **argv); -static int builtin_export(char **argv); -#if ENABLE_HUSH_JOB -static int builtin_fg_bg(char **argv); -static int builtin_jobs(char **argv); -#endif -#if ENABLE_HUSH_HELP -static int builtin_help(char **argv); -#endif -static int builtin_pwd(char **argv); -static int builtin_read(char **argv); -static int builtin_set(char **argv); -static int builtin_shift(char **argv); -static int builtin_source(char **argv); -static int builtin_umask(char **argv); -static int builtin_unset(char **argv); -//static int builtin_not_written(char **argv); /* o_string manipulation: */ static int b_check_space(o_string *o, int len); static int b_addchr(o_string *o, int ch); @@ -633,6 +612,29 @@ static void free_strings(char **strings) } +/* Function prototypes for builtins */ +static int builtin_cd(char **argv); +static int builtin_eval(char **argv); +static int builtin_exec(char **argv); +static int builtin_exit(char **argv); +static int builtin_export(char **argv); +#if ENABLE_HUSH_JOB +static int builtin_fg_bg(char **argv); +static int builtin_jobs(char **argv); +#endif +#if ENABLE_HUSH_HELP +static int builtin_help(char **argv); +#endif +static int builtin_pwd(char **argv); +static int builtin_read(char **argv); +static int builtin_test(char **argv); +static int builtin_set(char **argv); +static int builtin_shift(char **argv); +static int builtin_source(char **argv); +static int builtin_umask(char **argv); +static int builtin_unset(char **argv); +//static int builtin_not_written(char **argv); + /* Table of built-in functions. They can be forked or not, depending on * context: within pipes, they fork. As simple commands, they do not. * When used in non-forking context, they can change global variables @@ -651,6 +653,8 @@ struct built_in_command { }; static const struct built_in_command bltins[] = { + BLTIN("[" , builtin_test, "Test condition"), + BLTIN("[[" , builtin_test, "Test condition"), #if ENABLE_HUSH_JOB BLTIN("bg" , builtin_fg_bg, "Resume a job in the background"), #endif @@ -672,6 +676,7 @@ static const struct built_in_command bltins[] = { BLTIN("set" , builtin_set, "Set/unset shell local variables"), BLTIN("shift" , builtin_shift, "Shift positional parameters"), // BLTIN("trap" , builtin_not_written, "Trap signals"), + BLTIN("test" , builtin_test, "Test condition"), // BLTIN("ulimit", builtin_not_written, "Controls resource limits"), BLTIN("umask" , builtin_umask, "Sets file creation mask"), BLTIN("unset" , builtin_unset, "Unset environment variable"), @@ -824,6 +829,18 @@ static const char *set_cwd(void) return cwd; } + +/* built-in 'test' handler */ +static int builtin_test(char **argv) +{ + int argc = 0; + while (*argv) { + argc++; + argv++; + } + return test_main(argc, argv - argc); +} + /* built-in 'eval' handler */ static int builtin_eval(char **argv) { |